Storm sash ventilator



Dec. 19, 1944.

M. H. AVELALLEMANT 65,323

STORM SASH VENTILATOR Filed .Dec. 10 1941 w i zgvzzmolz. i 3W1 4% ATTORN EYE).

Patented Dec. 19, 1944 UNITED STATES PATENT OFFICE 2,365,323 STORM SASHvEN'rnA'roa Martin H. AveLallemant, Milwaukee, Wis. Application December10, 1941, Serial No. 422,423

6 Claims.

The present invention relates generally to improvements in the art ofventilation, and relates more specifically to improvements in theconstruction and' operation of ventilating devices especially adaptedfor-cooperation with storm sash or other building closures.

An object of the-invention is to provide an im proved ventilator whichis simple in construction and efficient in operation.

' It has long been customary in the building industry, to provideventilators associated with storm sash or the like, for permitting amoderate degree of fresh air ventilation without necessarily opening thestorm windows to which the ventilators were applied. These prior stormsash ven-' tilators usually consisted of a series of holes bored throughthe'lower rail of each sash, and a closure plate for the holes pivotallyattached to the inner side of the rail laterally beyond one end of theseries, the plate being swingably adjustable from a position wherein allof the holes were completely closed, to various positions wherein theholes were moreor less uncovered. Since the elongated closure plate ofthis prior type of regulator was pivotally suspended from endonly,usually the right hand end, adjustment of the plate would always 1necessitate opening of the opposite or left hand ventilator, it washeretofore necessary to remove the closure plate by unscrewing thepivot; and these prior devices also required the use ofconsiderable'unnecessary stock in the formation of the closure plate andthe stop plate for limiting the closing-movement thereof.

The present inventi'ontherefore contemplates provision of a new anduseful storm sash ventilator which obviates all of the above ,mentionedobjectionable'features of the prior swing plate ventilators, and whichcan be readily applied and actuated to produce any desired degreeofventilation or distribution of the fresh air.

Another specific object of my invention is to provide an improved windowventilator of the type having one or more slotS or openings adapted tobe closed by means of'an adjustable plate,

J mi w e n Fe 1? a m y b e are readily and quickly detachable orremovable in order to facilitate cleaning or painting of the windowframe or. other parts.

An additional specific object of my presentinvention is to provide animproved ventilator assembly which can be manufactured and sold atmoderate cost and without th use of excess material, whichcan bereadily-installed and manipu-' lated, and which is highly attractiveinappearance. v

These andother objects and advantages of the improvement will beapparent from the following detaileddescription.

I A clear conception of one simple embodiment of the invention, and ofthe mode of constructing, of applying and of manipulating the improvedventilators, may be had by referring to the drawing accompanying-andforming a part of this specification wherein like reference charactersdesignate the same or similar parts in the various but showing theregulating plate adjusted to partially open some of the vent holes;.

Fig. 3. is another similar elevation of the yentilating assembly, butshowing the adjustable control plate positioned to uncover. all ofthevent holes; r

Fig. 4 is still another similar view of the ventilating'device, showingone of the end retainers released to permit free swingingor removal ofclosure plate;

Fig. 5 is a transverse vertical section through the window andventilator assemblage, taken along the line 55 of Fig. 1; and

Fig. 6 is an enlarged fragmentary section through the ventilator andwindow rail, taken along the line 6-6 of Fig. 1.

5 5 While the invention has beenshown and devided with a horizontal slotor a series of boredv holes 8, and being associated with atransparentwindow pane 9; and the improved ventilator assembly comprises in generalan elongated closure.

plate ID of sufficient length and'breadth to completely cover all of theholes 8, and a pairof oppositely disposed pivotally suspendedspring armsII secured to the rail 1 by pivot screws l2 and having inwardly directedswinging end projections i3 cooperating with-sockets hi formed in theends ofthe platel'il.

Asshown irrthe. drawing, the closureplate l .may be formed of sheetmetalwith the aid of punches and .dies,.and when so formed, it=is preferable.to .disnthis plate. 1 0. sumcientlyto provide an elevated grippingridgelfi-along the edge thereof so as to facilitate adjustment. This plate.illv may. however beformed of non-metallic material, and inordergtoieliminate-waste of stock,

the closure plate may obviously bereduced in size. on area so. ,that..itwill .just cover the vent slots or holes 8 when'the plate is in closedposition, see Fig. 6. Theclosureplate ill of theven tilating assemblagemay also be attractively decorated,,and the sockets. l lzmay be circularand preferably do not penetrate the plate Ill. The surface or outer edgeportionoi the plate flange cent plane surface of the vwindowrail 1 whenthe plate is in closed position; and the opposite ends of theelongatedplate-may be either semieircular. as shown, or any otherdesirable shape, but the plate lil is preferably-of symmetrical contourso that it cannot be improperly assembled.

The plate suspension arms which-are pivcta'lly attached to the lowerwindow rail I be holes 8 by the pivot screws l2, are preferably formedof spring metal', and have their swinging ends. biased towardtheadjacent surface of the rail 1 so that the integral and projections l3will be retained within the sockets I 4 and the entire; plate lil willbe constantlyresiliently urged toward the mill. The arms ill arepreferably of like and, interchangeable construction and maybeformedwith the aid of punches and dies,;and

the pivot scnews 12 should 'be so located that they will permit theplatei0 to-be positioned either over :the holes- 8 as in- Fig. l, or entirelyfreefrom the .ventholes 8- as in Fig. 3, or in any intervening tiltedposition either inclined to the left or to the rightas in Fig. 2, Thesuspensionarms ll .while normally maintaining the ventilator assembled,should be-sufficiently flexible so that either or both of them maybereadily withdrawn fromthe plate sockets l4 as shown at the right ofFig. fl, thereby permitting theclosure plate l0 to beeither swung awayfrom the rail 1, or entirely removed from the-window in order tofacilitate cleaning or painting. The integral end projections I3 0? thesuspensi'on arms ll rather loosely. coact with the-sockets l4 order 16should be formed t0...snugly engage .the

' yond the opposite ends of the series of vent,

to avoid binding of the parts, and the pivot screws l2 may be ordinarywood screws.

During normal use of the improved ventilator, after the suspension armsll have been properly applied to the sash rail 1 with the aid of thepivot screws l2 and have been caused to properly cooperate with thesockets M of the closure plate I0, this plate may be convenientlyadjusted to various positions by merely grasping the plate ridge l5.When the ventilator isnot in use, the closure plate l0 will bepositionedias shown in Figs. 1, 5 and 6, and will thus seal the ventholes 8 in the rail 1. If a moderate degree of ventilation is desired,either end of the closure plate sill-may. .be swung upwardly topartially uncover the adjacent vent holes 8 as depicted in Fig. 2; andif maximum ventilation is to be effected, the. oppositeendsof .theelongated plate It] may beelevated in succession so as to place theplate in its highest position as illustrated in Fig. 3 wherein theholes8 are entirelyuncovered., The closure plate illmaythus-be readilyadjusted to uncover the ventholes8 :to any; desiredqextent, or. ,to;uncover only selected-end -holes,-..and-.-the swing links cramps ll willnevenpermit the plate It) to moveabpve the topipi thelower rail ayrhiehe th nssshown infield. The sp i ll normallypressthe-closure-plateHLsnugly against the sash raill while permittingconvenient sliding of the plate ior, adjustment purposes; but if itbecomesdesirable to partially or completely release the closure plateIll, the swing links or arms ll mayv bewithdrawn from ,the sockets id asshown .in,'Fi g'.,4, thereby permitting free access to the surfaces.normallyconcealed by the plate l0.

From the foregoing detaileddescription it will be ,apparent that presentinvention. provides an improved ventilator especially applicable tostorm sash or the like, ,which is simple, compact, and durable inconstruction, and which is moreover. highly effective and flexible inuse. 'By forming the closure-.-.plate l0 symmetrical .as shown, and thesuspension arms ,l l --interchang-e ably similar, the .cost' ofvconstruction is not only reduced to a minimum, but possibility. oferrorin making installations is also-minimized and the improved assembly canobviously be applied as a unit to practically any standard storm windowhaving either a single elongated vent slotor a series of holes8 such asshown. The improved ventilator can. also be. produced with practicallyno waste of ,materiaLandjis operable without ,undesirably obstructingtheviewnthrough the window; and the. closureplate .lll may be-quicklyand conveniently removed from the suspensionarms II in order togainaccess to the. normally concealed surfaces. The device is readilymanipulable by virtue of the previsiono -the; shoulder ridge l5, and hasprovenentirely ,satisfactoryin actual use.

wardly beyond the opposite extreme ends of said plate, the swinging endsof said arms being pivotally cooperable with the opposite ends of saidplate.

2. In combination with a. member having an elongated series of venth'oles terminating in a common flat surface, an elongated fiat closureplate slidably cooperable with said surface to ating arms mounted uponthe member and being swingable about axes disposed perpendicular to saidsurfaceand having their swinging ends pivotally cooperable with theopposite ends of said plate, said arms being independently swingableabout their pivotal axes to uncover only the adjacent holes of saidseries.

4. In combination with a member having an elongated series of vent holesterminating in a common flat surface, an elongated flat closure plateslidably cooperable with said surface to cover and uncover said holes,and a pair of actuating arms pivotally mounted upon the member and beingswingable about parallel axes disposed swinging of the arms. p 5. Incombination with a member having an elongated series of vent holesterminating in a perpendicular to said surface and beyond the oppositeextreme ends of said plate, the swinging ends of said arms beingpivotally and slidably to permit either simultaneous or independentcommon fiat surface, an elongated fiat closure plate slidably cooperablewith said surface to cover and uncover said holes, and a pair ofactuating arms pivotally mounted upon the member and being swingableabout parallel axes disposed perpendicular to said surface and beyondthe opposite extreme ends of said plate, the swinging ends of said armsbeing resiliently biased toward said surface and being engageable withsaid' plate to hold the latter in snug sliding contact with saidsurface; Y

6. In combination with a member having an elongated series of ventholes-terminating in a common flat surface, an elongated flat closureplate slidably cooperable with said surface to cover and uncover saidholes and having ockets in its opposite ends, and a pair of actuatingarms pivotally mounted upon the member and being swingable aboutparallel axes disposed perpendicularto said surface, the swinging endsof said arms being resiliently biased toward said surface and engageablewith said sockets to normally hold said plate in snug sliding contactwith said surface, and said ends being removable from aid sockets torelease said plate.

MARTIN H. AVELALIEMANT.

